Bahar Agus Setiawan, Sofyan Rofi, Tri Endang Jatmikowati. The Student Learning Activity Levels on the Online Learning During the Covid-19 Pandemic: a case study at al-amin muhammadiyah boarding school of bojonegoro. J. Pendidik. Islam Indones [Internet]. 2021 Apr. 15 [cited 2026 May 11];5(2):186-97. Available from: https://ojs.pps-ibrahimy.ac.id/index.php/jpii/article/view/289